| Gloucester to Nyon | 538.19 mi (866.13 km) |
| Gloucester to Oberriet | 614.21 mi (988.48 km) |
| Gloucester to Obersiggenthal | 559.01 mi (899.64 km) |
| Gloucester to Oberwil | 530.54 mi (853.82 km) |
| Gloucester to Oberwingert | 575.78 mi (926.63 km) |
| Gloucester to Oftringen | 552.25 mi (888.76 km) |
| Gloucester to Olten | 550.21 mi (885.48 km) |
| Gloucester to Onex | 544.32 mi (876.00 km) |
| Gloucester to Opfikon | 571.52 mi (919.78 km) |
| Gloucester to Ostermundigen | 552.88 mi (889.78 km) |
| Gloucester to Payerne | 539.97 mi (869.00 km) |
| Gloucester to Pfaffikon | 582.41 mi (937.30 km) |
| Gloucester to Plan-les-Ouates | 545.71 mi (878.23 km) |
| Gloucester to Pratteln | 535.75 mi (862.21 km) |
| Gloucester to Prilly | 542.55 mi (873.15 km) |
